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The El Paso

Dallas Cowboys defensive end Marshawn Kneeland had early stage CTE at time of death

Dallas Cowboys defensive end Marshawn Kneeland had early stage CTE at time of death
Photo: KTSM 9 News (NBC) · view original

CTE is a degenerative brain disease that has been found in athletes in contact sports, combat veterans and others who experience repetitive blows to the head.

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